计算:(1)?x4y5z5÷16xy4z3×(?12xyz2)2;(2)[x(x2y2-xy)-y(x2-x3y)]÷3x2y;(3)解不等式:(1
计算:(1)?x4y5z5÷16xy4z3×(?12xyz2)2;(2)[x(x2y2-xy)-y(x2-x3y)]÷3x2y;(3)解不等式:(1-3y)2+(2y-1...
计算:(1)?x4y5z5÷16xy4z3×(?12xyz2)2;(2)[x(x2y2-xy)-y(x2-x3y)]÷3x2y;(3)解不等式:(1-3y)2+(2y-1)2>13(y-1)(y+1);(4)在x2+px+8与x2-3x+q的积中不含x3与x项,求p、q的值?
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